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Finding the Fourth Proportional to 1,734,968.97, 2,600,649.18 and 670,741.97

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Solution

The fourth proportional to 1,734,968.97, 2,600,649.18 and 670,741.97 is: 1,005,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,968.97 : 2,600,649.18 = 670,741.97 : x
  2. Step 2: Convert to fraction form
    1,734,968.97/2,600,649.18 = 670,741.97/x
  3. Step 3: Cross multiply
    1,734,968.97x = 2,600,649.18 × 670,741.97
  4. Step 4: Simplify right side
    1,734,968.97x = 1,744,364,541,268.84
  5. Step 5: Solve for x
    x = 1,744,364,541,268.84/1,734,968.97
  6. Step 6: Final answer
    x = 1,005,415.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.